源代码：

#include <iostream>
#include <windows.h>
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include <conio.h>
#include <time.h>// #define KEY_DOWN(VK_NONAME) ((GetAsyncKeyState(VK_NONAME) & 0x8000) ? 1:0)const int W = 4;
const int H = 4;
int board[H][W];
int score;
const int keymap[4] = {72, 80, 75, 77}; // 依次为上下左右
const int dx[4] = {-1, 1, 0, 0};        // 依次对应上下左右
const int dy[4] = {0, 0, -1, 1};// 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384  (超过这个数字的从头开始)
const int color[] = {15,8,6,14,4,2,12,5,13,3,10,11,1,9,
};/*  颜色说明：* 0 = 黑色       8 = 灰色* 1 = 蓝色       9 = 淡蓝色* 2 = 绿色       10 = 淡绿色* 3 = 浅绿色     11 = 淡浅绿色* 4 = 红色       12 = 淡红色* 5 = 紫色       13 = 淡紫色* 6 = 黄色       14 = 淡黄色* 7 = 白色       15 = 亮白色*/
bool judge() {for (int i = 0; i < H; i++)for (int j = 0; j < W; j++) {if (board[i][j] == 0)return false;else if (i < 3 && j < 3)if (board[i][j] == board[i + 1][j] || board[i][j] == board[i][j + 1])return false;}return true;
}void Set_Color(int color) {HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);SetConsoleTextAttribute(handle, FOREGROUND_INTENSITY | color);
}void display() {system("cls");for (int i = 0; i < H; i++) {for (int j = 0; j < W; j++) {if (board[i][j] == 0)printf("     ");else {Set_Color(color[(int)log2(board[i][j]) - 1]); // 根据数字设置颜色printf("%-5d", board[i][j]);Set_Color(7);}if (j < 3)putchar('|');}putchar('\n');for (int r = 0; r < 23; r++)putchar('-');putchar('\n');}printf("当前得分: %d", score);
}void move(int dir) {int x = 0, y = 0;if (dy[dir]) {// 水平移动for (int i = 0; i < H; i++) {// 遍历每一行y = (dy[dir] == 1) ? 3 : 0;int j = y;int top = y;while (abs(j - y) < 3) {j -= dy[dir];if (board[i][top] == 0 && board[i][j] != 0) {board[i][top] = board[i][j];board[i][j] = 0;} else if (board[i][top] != 0 && board[i][j] == board[i][top]) {board[i][top] *= 2;score += board[i][top];board[i][j] = 0;} else if (board[i][top] * board[i][j] != 0 && board[i][top] != board[i][j]) {top -= dy[dir];if (j != top) {board[i][top] = board[i][j];board[i][j] = 0;}}}}} else if (dx[dir]) {// 垂直移动for (int j = 0; j < W; j++) {// 遍历每一列x = (dx[dir] == 1) ? 3 : 0;int i = x;int top = x;while (abs(i - x) < 3) {i -= dx[dir];if (board[top][j] == 0 && board[i][j] != 0) {board[top][j] = board[i][j];board[i][j] = 0;} else if (board[top][j] != 0 && board[i][j] == board[top][j]) {board[top][j] *= 2;score += board[top][j];board[i][j] = 0;} else if (board[top][j] * board[i][j] != 0 && board[top][j] != board[i][j]) {top -= dx[dir];if (i != top) {board[top][j] = board[i][j];board[i][j] = 0;}}}}}
}void newNum() {int flag = 0;int n = 0;for (int i = 0; i < 4; i++)for (int j = 0; j < 4; j++)if (board[i][j] == 0)n++;srand((unsigned)time(NULL));if (n == 0)return;int end = rand() % n;int t = 0;for (int i = 0; i < 4 && !flag; i++)for (int j = 0; j < 4 && !flag; j++) {if (board[i][j] == 0) {if (t == end) {board[i][j] += 2;flag = 1;} elset++;}}
}void play() {newNum();display();while (true) {int ch = _getch();for (int i = 0; i < 4; i++) {if (ch == keymap[i]) {move(i);if (judge())return;newNum();display();}}Sleep(10); // 防止连按}
}void init() {system("mode con:cols=24 lines=10");memset(board, 0, sizeof(board));score = 0;
}int main() {init();play();system("cls");printf("\n\n\tGAME OVER!");printf("\n\n\tSCORE:%d", score);getchar();
}

运行结果：